Home / 210,865.98-316,315.17-61,108.32

Finding the Fourth Proportional to 210,865.98, 316,315.17 and 61,108.32

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Solution

The fourth proportional to 210,865.98, 316,315.17 and 61,108.32 is: 91,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,865.98 : 316,315.17 = 61,108.32 : x
  2. Step 2: Convert to fraction form
    210,865.98/316,315.17 = 61,108.32/x
  3. Step 3: Cross multiply
    210,865.98x = 316,315.17 × 61,108.32
  4. Step 4: Simplify right side
    210,865.98x = 19,329,488,629.21
  5. Step 5: Solve for x
    x = 19,329,488,629.21/210,865.98
  6. Step 6: Final answer
    x = 91,667.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.